Treating-vat.



E. F. STOUT.

TREATING VAT.

APPLICATION FILED SEPT- 30,1961

Patented Oct; 24,1916.

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TREATING VAT.

APPLICATION FILED SEPT- 30, 1915.

Patented Oct. 24,1916

3 SHEETS-SHEET 3- ELLSWORTH IE. STOUT, OF NEW YORK, N. Y.

TREATING-VAT.

Specification of Letters Patent.

Patented Uct. 24a 1916.

Application filed September 30, 1915. Serial No. 53, 172.

To all whom it may concern:

Be it known that I, ELLswon'rn F. STOUT, a citizen of the United States of America, residing in borough of Brooklyn, county of Kings, city and State of New York, have invented certain new and useful Improvements in Treating-Vats, of which the following is a specification.

This invention relates to treating vats and particularly to those types of treating vats in which the treating liquid is agitated or circulated to attain the desired treatment.

More particularly, the invention is directed to the provision of means in conjunction with a rectangular circular or other shaped vat for effecting agitation or circulation of the treating fluid by the use of gas or other fluid under pressure and whereby the normal capacity of the vat is not materially decreased by such agitating or circulating means. In such forms of the invention as may be embodied within a rectangular vat, the invention is carried out by providing a series of lengths or a coil of pipes provided with openings directed generally toward the center of the vat and by affording a return path for the liquid, preferably by the use of perforated partitions disposed adjacent the corners of the vat. It is desirable to provide a false bottom for the vat disposed above such series of lengths or coil of pipes whereby the mean path of forward movement of the agitating or circulating gas is more definitely located. The above arrangement is increased in efiiciency, particularly when a heated gas is utilized as the agitating or circulating medium, by providing a cover for closing the vat and disposing an inlet. adjacent such cover for returning the unccndensed and more or less heated medium to the lower series of lengths or coil of pipes. Such return of the uncondensed gaseous medium is facilitated by the employment of a suitable vacuum producing device cooperating with the agitating or circulating medium.

Further features ofthe invention embody the provision of an outlet within the one ormore partitions disposed at the 'corners or otherspaced locations of the vat, whereby the liquid will be agitated or 011'- culated upwardly within such partitions and thereby effect a downward agitation or circulation of the treating liquid within the vat per se.

p ar. tena ts n swee est the -Y tion will be more fully understood from the following description and the accompanying drawings, in which Figure l is a top plan view of a rectangular vat provided with one form of my invention, a portion of the false bottom being broken away to show the elements disposed therebelow; Fig. 2 is a longitudinal vertical sectional elevation on the line 2-2 of Fig. 1 taken in the direction of the indicating arrows; Fig. 3 is a transverse vertical sectional elevation taken on the line 3-3 of Fig. 1 in the direction of the indicating arrows; and Fig. 4 is a detail vertical section on the line l4 of Fig. 3.

Referring to the drawings, the vat 1 is shown as of rectangular outline, although it will be clearly understood that the invention is also applicable to circular vats and vats of any other configuration. The construction of the invention may be described by reference to the use of steam as the agitating or circulating medium, such as for use in dyeing, bleaching or similar mechanical or chemical treatments; however, air or other gases under compression, at any desired elevated or depressed temperature, may be employed as the agitating or circulating medium.

The inlet 2 of the compressed medium, having the valve 3, enters the agitating or circulating arrangement through the injector 4, thereby creating a vacuum through the passage 5, for purposes explained hereinafter. The compressed medium then passes through pipe 6, connected with the pipe 7 and the pipe 8 through the T 9. The pipe 7. provided with the valve 10 connects with the rectangular series of lengths of pipes '11, conforming to the configuration of the vat. The pipe lengths 11 are provided with outlets 12 of reduced extent of opening and directed toward the longitudinal: central and transverse central lines of the bottom of the vat. If desired a coil or any other curved series of pipes may be employed and provided similarly with openings for directing the compressed medium toward the central portions of the lower interior portion of the vat, when the valve 10 isinopen position.

For the purpose of avoiding eddy currents within the treating liquid, the vat is provided with the false bottom 13, preferably higherat the center thanat the ends extending'generally in the upward direction; and also with the longitudinal partition 15 and transverse partition 16, thereby dividing the space below the false bottom 13 into sub-divisions wherein the mean path of, the treating liquid will be enforced by the compressed medium upwardly and toward the center of the vat per 8e, assuming the valve 10 to be in open position.

To provide for a return path for the treating liquid, the vertical partitions 17 are arranged at spaced locations about the periphery of the vat, as by locating the partitions at the four corners of the indicated rectangular vat, said partitions 17 being provided with the openings 18 preferably ext-ending at an angle of forty-five degrees or thereabout, downwardly as viewed in the direction toward the interior of the vat per 86., for the purposes set forth more fully hereinafter. The portions of the false bottom 13 respectively below the partition in teriors are cut away, as shown in the left hand upper corner of Fig. 1. Thus when the valve 10 is opened to admit the steam or other compressed medium through coil 11, the treating liquid will be agitated upwardly within the vat and downwardly through each of the several partitions 17 back to the space below the false bottom 13, thereby producing a circulation known as a center boil, the intensity of agitation or speed of circulation and temperature of treatment being controlled by the valve 10.

l/Vhen it is desired to control the treatment within a narrower range between 'maXimum and minimum temperatures, the

vat is provided with the cover 19, shown hinged to the upwardly extending rear side 20, and the vacuum pipe 5 extended to the exhaust inlet 21, whereby the uncondensed steam or vapor will be drawn through inlet 21 and pipe 5 by the injector 4 back through the passage 6 and again through coil 11. The pipe 5 is preferably provided with the trap 22 to preclude passage of the steam or a other medium upwardly through pipe 5.

When it is desired to reverse the direction of circulation and to produce a corner boil the valve 10 is shut ofl, and the valve 23 opened to admit passage of the compressed medium through pipe 24 to the nozzle heads 25 arranged respectively within the partition interiors, whereby the treating liquid will be forced upwardly within the partition interiors and thence outwardly th'rough'the openings 18 which, as stated hereinabove, are arranged upwardly to effect an 'upward movement of the treating liquid ad acent the outer face of each partition 17 the return or downward movement of the liquid being at the center of the vat per se,

and through the openings 14 of the false bottom 13 and thence through the respective sub-divided spaces below the false bottom 13.

It will be noted that the connection of the pipe 2a with the respective outlets 25 is arranged to effect equal degree of agitation for all portions of the vat. The exhaust "21 may also be operated in cooperation with the outlets 25, similarly as in the operation of the coil 11.

The by-pass 2G and valve 27 serve to lead the steam directly from the supply pipe 2 to the outlets 25 or to the coil 11, or both to the outlets 25 and the coil 11, upon proper adjustment of the valves 23 and 10, as will be readily understood. By opening valve 27 of by-pass 2G and opening valves 10 and 23 the treating liquid may be agitated, and also heated in those cases where a heated medium is employed. If desired, the longitudinal partition 15 may be omitted and similarly the transverse partition 16. Also, the cover 19 may be omitted. However, the most eflicient action with the use of the heated medium is attained by the provision of the partitions 15, 16 and the cover 19. The cover 19 is shown provided with the window 28 to afford inspection while the cover is down.

The invention is similarly applicable to other constructions of vats, and in the cases of circular and other curved vats, partitions 17 will be disposed at suitable distance from each other to secure the obiects of the invention. The invention is applicable to tanks or utensils irrespective of the volume or capacity.

The invention is also applicable for maintaining a depressed temperature within the treating liquid, in which case, for example. refrigerated compressed air will be used as the circulating medium, the air passing upwardly through the treating liquid and thence through the vacuum return 5. Upon opening the cover 19 the temperature of a heated treating liquid will be reduced, in which case cool air will be drawn through the vacuum return 5. Upon opening the cover 19 the temperature of a cooled treating liquid will be elevated and the heated atmospheric air will be drawn through the vacuum return 5.

Whereas I have described my invention by reference to specific forms thereof, it will be understood that many changes and modifications may be made without departin from my invention.

I claim.

1. The combination of a treating vat constructed to directly receive the material to be treated and having a false bottom and its entire central region above said bottom free for the reception of solely the material and the treating liquid and means for emitting a gaseous medium under pressure to effect a circulation of the treating liquid along an upwardly directed path in said central region and along a downwardly directed path at the sides of the vat, said means comprising a perforated passage for the gaseous medium disposed below said perforated bottom, and a plurality of passages having openings disposed respectively adjacent a plurality of the sides of the vat, said plurality of passages respectively extending to a region below said perforated bottom.

2. The combination with a vat, of means for emitting a gaseous medium under pres sure to effect circulation of the liquid in the vat along an upwardly directed path, said means comprising-a perforated bottom, a passage for discharging the gaseous medium below said bottom, a passage for the liqui leading from an upper portion of the vat to a region below said perforated bottom and means for effecting the escape of the released gaseous medium, and means for reversing the circulation of the liquid.

3. The combination with a vat, of means for emitting a gaseous medium under pressure to effect circulation of the liquid in the vat along an upwardly directed path, said means comprising a false bottom having a plurality of sets of openings therein, outlets for the gaseous medium disposed respectively adjacent said sets of openings, and a plurality of passages for the liquid leading from spaced upper portions of the vat to the regions respectively below said sets of openings.

4. The combination of a treating vat con structed to directly receive the material to be treated and having a false bottom and its entire central region above said bottom free for the reception of solely the material and the treating liquid and means for emitting a gaseous medium under pressure to effect a circulation of the treating liquid along an upwardly directed path in said central region and along a downwardly directed path at the sides of the vat, said means comprising a perforated passage for the gaseous medium disposed below said perforated bottom and a plurality of partitions respectively disposed adjacent spaced regions at the sides of the vat and having openings at their up per ends and extending respectively to regions below said perforated bottom.

5. The combination with a vat having a bit ing from said vacuum device to the interior of said vat adjacent said cover.

6. The combination with a vat having a removable cover, of means for emitting a compressed medium disposed within said vat, a supply pipe communicating with said emitting means, perforated partition means disposed above said emitting means, an injector arranged within said supply pipe, a passage communicating with said injector and extending to the interior of said vat below said cover and a trap within said passage for securing uni-directional flow of fluid through said passage.

7. The combination with a vat having a cover, of means for supplying a gaseous medium under pressure to effect circulation of the liquid in the vat, said means comprising a perforated bottom, a passage for discharging the gaseous medium below said bottom and a passage for the liquid leading from an upper portion of the vat to a region below said perforated bottom, and means having an opening within said vat and below said cover for returning the gaseous medium to said supplying means.

8. The combination with a vat, of a perforated partition extending longitudinally of the bottom of the vat, means for emitting a gaseous medium under pressure to effect the circulation of the liquid in the vat along an upwardly directed path comprising a passage for a gaseous medium having an opening disposed between said perforated partition and said bottom, and means for circulating the liquid in along a downwardly directed path comprising a perforated partition extending longitudinally of a side of the vat and a passage extending along said one side and interiorly of said vat from said second-named perforated partition to said first-named perforated partition.

in testimony whereof I have signed this specification.

ELLSVVORTH ll. STOUT.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

